Add 72/60 and 7/90
1st number: 1 12/60, 2nd number: 7/90
72/60 + 7/90 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
72/60 = 72 × 3/60 × 3 = 216/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
7/90 = 7 × 2/90 × 2 = 14/180 - Add the two like fractions:
216/180 + 14/180 = 216 + 14/180 = 230/180 - 230/180 simplified gives 23/18
- So, 72/60 + 7/90 = 23/18
In mixed form: 15/18
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